Add 6/81 and 27/21
1st number: 6/81, 2nd number: 1 6/21
6/81 + 27/21 is 257/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 21 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
6/81 = 6 × 7/81 × 7 = 42/567 - Likewise, for the 2nd fraction, since 21 × 27 = 567,
27/21 = 27 × 27/21 × 27 = 729/567 - Add the two like fractions:
42/567 + 729/567 = 42 + 729/567 = 771/567 - 771/567 simplified gives 257/189
- So, 6/81 + 27/21 = 257/189
In mixed form: 168/189
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